NEW
Font size
WorksheetsScience 2020
Total questions: 30
Worksheet time: 15mins
To measure the amount of liquid you would use a
Beaker
Graduated Flask
Measuring Cylinder
Measuring Cup
The energy we receive from the sun includes
Electrical and sound energy
Heat and chemical energy
Electrical and light energy
Heat and light energy
The law of conservation states
Energy can be created but not destroyed
Energy can be destroyed but not created
Energy is neither created nor destroyed, it is just changed from one form to another
Energy is both created and destroyed and it also changes from one form to another
An experiment where a 200g ball was dropped from different heights was conducted. Identify the independent variable
Height (m)
Energy (J)
200g ball
experiment
The diagram below shows a skateboarder at top of a ramp and manages to get to point before reversing his direction. At what point is gravitational potential energy the highest?
A
B
C
D
Transpiration refers to
the loss of water from a plant through its leaves
the process by which liquid water changes to water vapour
the process by which water vapour changes to water
water that flows over the ground surface rather than soaking into the ground
Evaporation refers to
the process by which liquid water changes to water vapour
the process by which water vapour changes to water
water that falls from the atmosphere to the Earth as rain, sleet or snow
the process by which water on the ground surface enters the soil
Runoff refers to
water that falls from the atmosphere to the Earth as rain,sleet , or snow
water that flows over the ground surface rather than soaking into the ground
water held underground in the soil or in pores and crevices in rock
a body of rock or sediment that stores groundwater and allows the flow of groundwater
The water cycle is
the loss of water from a plant through its leaves
the continuous process by which water moves from Earth's surface to the atmosphere and back
the process by which water vapour changes to water
the addition of any substance that has a negative effect on water or the living things that depend on the water
Three main types of rocks are
cementary, metamorphic and volcanic
metamorphic, sedimentary and igneous
conglomerate, igneous and volcanic
minerals, ores and crystals
Marble is the result of limestone rock being subjected to heat and pressure. This would make marble a _______________ rock.
metamorphic
sedimentary
conglomerate
igneous
The main difference between magma and lava is that
lava is molten rock that has reached the surface, magma is underground
magma is not as hot as lava, lava is extremely hot
lava cools to make rocks but magma doesn't
Metamorphic rocks are the result of heat and/or pressure on
sedimentary rocks
igneous rocks
either igneous or sedimentary rocks
metamorphic rocks
The process that forms sedimentary rocks from sediments compressed by the weight of the rock layers above them is called
compaction
cementation
weathering
erosion
An element is:
the smallest particle of matter not normally found by themselves
made up of one type of atom and the type of atom depends on the number of protons in the nucleus.
any atoms that are connected by chemical bonds
a substance made of two or more different elements joined by chemical bonds.
two or more substances that are not chemically combined.
The central part of the atom is called the
nucleus
neutron
proton
electron
For any atom
the number of electrons must equal the number of neutrons
the number of neutrons must equal the number of protons
the number of protons must equal the number of electrons
An electron has what type of charge
positive
negative
neutral
The atomic number is defined as
the number of protons in an atom
the number of electrons in an atom
the number of neutrons in an atom
all of the above
The following is
an atom
a mixture
a compound
an element
Which two words describe the substance water at room temperature
solid, element
gas, mixture
liquid, element
liquid, compound
The process of a substance changing state from solid to gas is called
condensation
vaporisation
deposition
sublimation
What is the powerhouse of the cell
nucleus
cytoplasm
mitochondria
cell membrane
If the power of the ocular lens is 5 and the objective lens is 40, the total magnification will be:
40x
45x
200x
400x
The nucleus is
the control centre of the cell
the powerhouse of the cell
where photosynthesis takes place
the protective layer of the cell
Of the following, what is not a part of the heart
Aorta
Left atrium
Right ventricle
capillaries
Which part of the respiratory system channels air towards the bronchi
Trachea
Bronchioles
Pharynx
Diaphragm
Diffusion is the process of
Allowing oxygen to enter the blood and carbon dioxide to leave the blood
Allowing air to enter the lungs
Protecting the respiratory organs
Allowing carbon dioxide to enter the blood and oxygen to leave the blood
Where does digestion begin
Mouth
Stomach
Small Intestine
Liver
What does the large intestine do
Breaks up the food
Digests the proteins and carbohydrates
Removes the water and some minerals
Produces bile
